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README.md

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Usage

1. Setup your environment (Requirements)

Regardless of your operating system, you need to handle the following pieces:

  1. Debugger server: An application that will forward requests to/from STM32 and a local TCP port via GDB protocol.

    • Install st-util or openocd

  2. Debugger executable: specifically arm-none-eabi-gdb

  3. Probably a compiler: arm-none-eabi-gcc

  4. Add your libraries if there are any (RTOS source code, drivers, etc)

OPTIONAL: Setting up GUI debugger:

2. Add mcu-debug to your project

git submodule add https://github.com/aktos-io/mcu-debug

3. Include in your Makefile

Include mcu-debug makefiles in your main Makefile:

include ./mcu-debug/main.mk

4. Add debugging info to your documentation

Add the following instructions to your project's README:

A. Flashing (without debugging): `make write`

B. Debugging with command line:
    * In terminal 1: `make start-gdb-server-with-reset`
    * In terminal 2: `make cmd-debugger` (or `make gui-debugger`)

Requirements

  • texane/STLink or OpenOCD
  • gdb-arm-none-eabi

Configuration variables

MCU_DEBUG_MAJOR

This variable is used to avoid users from blindly using this tool if any major change has been made.

MCU_DEBUG_MAJOR 	:= 2

App

App                 := Src/* my_lib/*

This is the variable that we use to identify the files which are to be used generate the breakpoints from // debugger lines. Use the /* wildcard postfix and use a space character to point multiple directories. Required.

Compiled File

ELF_FILE            := path/to/app.elf  # make sure this is built with debug symbols
BIN_FILE 			:= path/to/app.bin

This is the compiled application files.

GCC Path

GCC_PATH            := $(HOME)/embedded/gcc/gcc-arm-none-eabi-5_3-2016q1/bin

Optional, you may omit if you won't compile your application.

GDB Address

GDB_ADDR            := 192.168.56.103:4242

GDB Server address:port.

Flasher Definition

If you use OpenOCD as your debugger, use the following settings:

FLASHER             := openocd
OPENOCD_INTERFACE   := stlink-v2.cfg
OPENOCD_TARGET      := stm32f0x.cfg

If you use Stlink as your debugger, use the following settings:

FLASHER							:= stlink

Terminal UI

If you want to use terminal UI, use the following setting:

USE_TUI    := 1